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3. 发明授权

US3964213A Abrasive cleaning tool 失效
标题翻译：磨料清洁工具
公开(公告)号：US3964213A
公开(公告)日：1976-06-22
申请号：US559328
申请日：1975-03-17
申请人： Alton E. Tobey
发明人： Alton E. Tobey
IPC分类号： B24D15/04
CPC分类号： B24D15/04
摘要： An abrasive cleaning tool for underwater cleaning of fouled hull bottoms, swimming pools and the like; the cleaning tool has a connecting arm for attachment to an elongated handle, a head assembly to which a contoured wire screen, coated with a particulate abrasive, is attached; the head assembly includes a supporting surface for the wire screen having ridge elements for displacing the screen from the supporting surface for flushing action on the screen during use.
摘要翻译：用于水下清洁污染的船体底部，游泳池等的研磨清洁工具; 所述清洁工具具有用于附接到细长手柄的连接臂，头部组件，其上附着涂覆有颗粒磨料的成型网状网; 头部组件包括用于丝网的支撑表面，其具有用于使屏幕从支撑表面移位的脊元件，用于在使用期间在屏幕上冲洗动作。

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